.\" zip_fread.mdoc -- read from file
.\" Copyright (C) 2003-2022 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
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.Dd September 28, 2021
.Dt ZIP_FREAD 3
.Os
.Sh NAME
.Nm zip_fread
.Nd read from file
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft zip_int64_t
.Fn zip_fread "zip_file_t *file" "void *buf" "zip_uint64_t nbytes"
.Sh DESCRIPTION
The
.Fn zip_fread
function reads up to
.Ar nbytes
bytes from
.Ar file
into
.Ar buf .
.Sh RETURN VALUES
If successful, the number of bytes actually read is returned.
When
.Fn zip_fread
is called after reaching the end of the file, 0 is returned.
In case of error, \-1 is returned.
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_fclose 3 ,
.Xr zip_fopen 3 ,
.Xr zip_fseek 3
.Sh HISTORY
.Fn zip_fread
was added in libzip 0.6.
In libzip 0.10 the return type was changed from
.Vt ssize_t
to
.Vt zip_int64_t .
In libzip 0.10 the type of
.Ar nbytes
was changed from
.Vt size_t
to
.Vt zip_uint64_t .
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at
